Series A. Physical dangers … After that time, small arms and large artillery increasingly began to depend on cordite, a smokeless powder. During World War I the newly industrialized Haber process (1913) was combined with the Ostwald process after 1915, allowing Germany to produce nitric acid for the war after being cut off from its supplies of mineral sodium nitrates from Chile (see nitratite). Since he was calling for the assistance of rural farming communities, the descriptions and instructions are both simple and explicit.  When used as a food additive in the European Union, the compound is referred to as E252; it is also approved for use as a food additive in the United States and Australia and New Zealand (where it is listed under its INS number 252). Oxidant, harmful if swallowed, inhaled, or absorbed on skin. Potassium nitrate is prepared commercially by the reaction of potassium chloride with sodium nitrate. The material is soluble in water. If large quantities of the material are involved in the fire or the combustible material is finely divided an explosion may result. analytical standard (1) certified reference material (4) pharmaceutical primary standard (3) pharmaceutical secondary standard (1) Format. Due to the presence of nitrate anion, it is a good fertilizer. physical and thermodynamic properties of molten salts must be known. I need to know the chemical and physical properties of potassium nitrate for a science project. It is odorless, moderately soluble in water, and has a white solid or powdery form. It is a bright purple or bronze coloured chemical compound. Properties, occurrence, and uses. Kolthoff, Treatise on Analytical Chemistry, New York, Interscience Encyclopedia, Inc., 1959. Source(s): Rtc. Relevance. Used in Thailand as main ingredient in kidney tablets to relieve the symptoms of, Combats high blood pressure and was once used as a, As a source of potassium ions for exchange with sodium ions in, As an oxidizer in model rocket fuel called. Sodium nitrate, melting point is 306. Add a Physical Property of Calcium Nitrate. The substance is a strong oxidant. PHYSICAL AND CHEMICAL PROPERTIES. Potassium nitrate, also known as saltpeter, is an odorless powder composed of transparent and/or white crystals. Chemical. 3. It is the seventh most abundant element in Earth’s crust, constituting 2.6 percent of its mass. It is noncombustible but it will accelerate the burning of combustible materials. The measured values found via DSC compare well with literature data (Table 1). Together, Canada and Russia produce about half the world's potassium supply each year, and Canada is estimated to have 59.8% of world reserves of the metal, with Russia having 13.6%. The aqueous solution is almost neutral, exhibiting pH 6.2 at 14 °C (57 °F) for a 10% solution of commercial powder. Mettler-Toledo Calibration substance ME 51143095, Potassium nitrate. Viscosity: Not available. Favorite Answer. Sodium and potassium nitrate are somewhat lower with ΔH = 16.79 (± 0.26) and 9.20 (± 0.36) kJ/mol. . … Nitrates are not all that commonly found due to their general ease in dissolving in water. It is one of the major constituents of gunpowder (black powder). Crystalline (8) Liquid (11) Powder (10) Solid (29) Solution (1) Other (3) Formula Weight. Molecular formula: KF. It is also a raw material in the preparation of toothpaste, rocket propellants and fireworks. Proceedings of the Royal Society of London. Also as saltpeter, potassium nitrate (KNO 3) it is used to make explosives and to color fireworks in mauve. Predict properties. Potassium is a Group 1, Alkali metal.Physical Properties - Potassium, in it's pure form, is silvery-white with a dull sheen, and is very soft. , Major uses of potassium nitrate are in fertilizers, tree stump removal, rocket propellants and fireworks. Turgot and Lavoisier created the Régie des Poudres et Salpêtres a few years before the French Revolution. , In West African cuisine, potassium nitrate (saltpetre) is widely used as a thickening agent in soups and stews such as okra soup and isi ewu. In the Shetland Islands (UK) it is used in the curing of mutton to make reestit mutton, a local delicacy. The Physical Property fields include properties such as vapor … I also need to know the safety issues/symbols that are used for handling the substance. 8 ℃, density of 2. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter (or saltpetre in the UK). In nature, potassium nitrate occurs as a mineral, niter. Potassium Nitrate Safety Data Sheet according to Federal Register / Vol. In nature, potassium nitrate occurs as a mineral, niter. Find more compounds similar to Potassium nitrate.. 0 - 100 (25) 101 - 200 (39) 201 - 300 (17) 301 - 400 (1) 401 - 500 (2) 501 - 600 (2) 1000+ (2) Boiling Point (°C) 0 - 100 (1) 101 - 200 (6) 201 - 300 (7) ... potassium nitrate. 281 g can be dissolved in 100 ml of water at 0 degrees centigrade, 413 g in 100 ml of water at 100 degrees centigrade. In the Star Trek episode "Arena", Captain Kirk injures a gorn using a rudimentary cannon that he constructed using potassium nitrate as a key ingredient. Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. Potassium nitrate is a also used as a diuretic agent in pigs, cattle and horses. NaNO 3 is solid that appears in a crystalline structure and white colour, in room temperature. Sodium nitrate and potassium nitrate is a white crystalline solid. Potassium nitrate contains potassium (a soft, light, and silver metal), oxygen, and nitrogen (a colourless and odourless gas). Alan Williams. This increases fire hazard. Product form : Substance Substance name : Potassium Nitrate CAS-No. Perhaps the most exhaustive discussion of the production of this material is the 1862 LeConte text. , Between 550–790 °C (1,022–1,454 °F), potassium nitrate reaches a temperature-dependent equilibrium with potassium nitrite:. Potassium nitrate is moderately soluble in water, but its solubility increases with temperature. . He details the "French Method", along with several variations, as well as a "Swiss method". The crystals of potassium chloride are made up of face-centred cubic (FCC) unit cells. The compound is odourless i.e. The most famous use of potassium nitrate is probably as the oxidizer in blackpowder. The Melting Point of Calcium Nitrate is . When used by itself, it has an NPK rating of 13-0-44. I need to know the chemical and physical properties of potassium nitrate for a science project. Blackpowder remains in use today in black powder rocket motors, but also in combination with other fuels like sugars in "rocket candy". The solubility of a substance fundamentally depends on the physical and chemical properties of the solute and solvent as well as on temperature, pressure and the pH of the solution. It is also used to soften food and reduce cooking time when boiling beans and tough meat. Properties, occurrence, and uses Potassium metal is soft and white with a silvery lustre, has a low melting point, and is a good conductor of heat and electricity. CHEMICAL AND PHYSICAL INFORMATION . A mixture of powdered zirconium and potassium nitrate explodes when heated above the melting point [Mellor 7:116. Physical State; Appearance COLOURLESS-TO-WHITE CRYSTALLINE POWDER. Its molar mass is 85.1 g / mol and its density is 1.915 g / ml. This reaction is highly exothermic. Formula: KNO 3 Molecular mass: 101.1 Decomposes at 400°C Melting point: 333 … Mathematical and Physical Sciences 1957 , ,, 467-477. . 257 grams/cubic centimeter ( At 20 ℃) Colorless … It has a slightly bitter and saline type of taste. Sodium and potassium nitrate are somewhat lower with ΔH = 16.79 (± 0.26) and 9.20 (± 0.36) kJ/mol. hoffman, h. w. physical properties and heat transfer characteristics of an alkali nitrate- nitrate salt mixture.united states: n. p., 1955. web. It commonly occurs as a colourless crystal or white powder and, unlike most other lead(II) salts, is soluble in water. Potassium nitrite is highly soluble in water. By the 15th century, Europeans referred to it as saltpeter and later as nitrate of potash, as the chemistry of the compound was more fully understood. 4. Chemical and physical properties of Potassium orthophosphate. Some important physical and chemical properties of potassium chloride and calcium nitrate are provided in this article. density), other properties (e.g. The crystals of potassium chloride are made up of face-centred cubic (FCC) unit cells. nitrite salts include potassium nitrate, potassium nitrite, sodium nitrate, sodium nitrite, and ammonium nitrate; these salts are highly soluble in water , dissociate under environmental conditions, and exist as . Conditions: Not Established Humberto Velázquez Hume 09-Feb-2007 2:08 pm Report Abuse. The chloride anion is not an oxidizing agent, it does not contain oxygen. Physical Properties. Physical Properties Standards (1) Quality Grade. Lead(II) nitrate is an inorganic compound with the chemical formula Pb(NO 3) 2. ... optics glass, high grade craft glassware. Properties are those of K+ and NO3- ions. . Potassium Page One. Chemistry: KNO3, Potassium Nitrate Class: Carbonates; Uses: as a source of nitrate. Potassium nitrate has a wide variety of uses, largely as a source of nitrate. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 11/19/2004 Revision date: 09/12/2019 Supersedes: 02/13/2018 Version: 1.3 09/12/2019 EN (English US) Page 1 SECTION 1: Identification . Potassium nitrate has been a common ingredient of salted meat since antiquity or the Middle Ages. Reproductive Hazard * There is limited evidence that Potassium Nitrate is a teratogen in animals. PHYSICAL AND CHEMICAL DATA 2-3 2-146 Linear Expansion of Miscellaneous Substances. Health & Safety Reporting List None of the chemicals are on the Health & Safety Reporting List. From the most ancient times until the late 1880s, blackpowder provided the explosive power for all the world's firearms. Saturated solutions of glycine , Potassium nitrate is used in fertilizers as a source of nitrogen and potassium – two of the macronutrients for plants. Evaporation Rate:Not available. 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